List Titles with SAHARA Ako

Years have passed since the army of Humans was defeated by the troops of Lushifon, the dark ruler from hell. In a jail, Knight Kakeru, the only survivor, is waiting for the end of time, longing for his beloved Natasha who fell into an abyss and he wasn't able to save her ... and then, finally, a beautiful elven woman named Marlene sets him free and gives him a black stone of magic power that allows him to go back in time (under his new name Eto, as he will meet his former self) to change the course of events - and especially to try to convince that same Marlene that what she did back then was wrong... that's where the story starts from!